This implements RESQ for surfaces which comes from imageSize() GLSL
bultin. As the dimensions are sticked into the driver constant buffer,
this only has to be lowered with loads.
Signed-off-by: Samuel Pitoiset <samuel.pitoi...@gmail.com>
---
.../drivers/nouveau/codegen/nv50_ir_from_tgsi.cpp | 28 +++++++++++++++---
.../drivers/nouveau/codegen/nv50_ir_inlines.h | 6 ++--
.../nouveau/codegen/nv50_ir_lowering_nvc0.cpp | 33 ++++++++++++++++++++--
.../nouveau/codegen/nv50_ir_lowering_nvc0.h | 2 +-
4 files changed, 58 insertions(+), 11 deletions(-)
diff --git a/src/gallium/drivers/nouveau/codegen/nv50_ir_from_tgsi.cpp
b/src/gallium/drivers/nouveau/codegen/nv50_ir_from_tgsi.cpp
index e56b992..ce76874 100644
--- a/src/gallium/drivers/nouveau/codegen/nv50_ir_from_tgsi.cpp
+++ b/src/gallium/drivers/nouveau/codegen/nv50_ir_from_tgsi.cpp
@@ -3435,10 +3435,30 @@ Converter::handleInstruction(const struct
tgsi_full_instruction *insn)
handleATOM(dst0, dstTy, tgsi::opcodeToSubOp(tgsi.getOpcode()));
break;
case TGSI_OPCODE_RESQ:
- geni = mkOp1(OP_BUFQ, TYPE_U32, dst0[0],
- makeSym(TGSI_FILE_BUFFER, tgsi.getSrc(0).getIndex(0), -1,
0, 0));
- if (tgsi.getSrc(0).isIndirect(0))
- geni->setIndirect(0, 1, fetchSrc(tgsi.getSrc(0).getIndirect(0), 0,
0));
+ if (tgsi.getSrc(0).getFile() == TGSI_FILE_BUFFER) {
+ geni = mkOp1(OP_BUFQ, TYPE_U32, dst0[0],
+ makeSym(tgsi.getSrc(0).getFile(),
+ tgsi.getSrc(0).getIndex(0), -1, 0, 0));
+ if (tgsi.getSrc(0).isIndirect(0))
+ geni->setIndirect(0, 1,
+ fetchSrc(tgsi.getSrc(0).getIndirect(0), 0, 0));
+ } else {
+ assert(tgsi.getSrc(0).getFile() == TGSI_FILE_IMAGE);
+
+ TexInstruction *texi = new_TexInstruction(func, OP_SUQ);
+ for (int c = 0, d = 0; c < 4; ++c) {
+ if (dst0[c]) {
+ texi->setDef(d++, dst0[c]);
+ texi->tex.mask |= 1 << c;
+ }
+ }
+ texi->tex.r = tgsi.getSrc(0).getIndex(0);
+ texi->tex.target = getImageTarget(code, texi->tex.r);
+ bb->insertTail(texi);
+
+ if (tgsi.getSrc(0).isIndirect(0))
+ texi->setIndirectR(fetchSrc(tgsi.getSrc(0).getIndirect(0), 0,
NULL));
+ }
break;
case TGSI_OPCODE_IBFE:
case TGSI_OPCODE_UBFE:
diff --git a/src/gallium/drivers/nouveau/codegen/nv50_ir_inlines.h
b/src/gallium/drivers/nouveau/codegen/nv50_ir_inlines.h
index e465f24..4c5de2e 100644
--- a/src/gallium/drivers/nouveau/codegen/nv50_ir_inlines.h
+++ b/src/gallium/drivers/nouveau/codegen/nv50_ir_inlines.h
@@ -48,7 +48,7 @@ static inline bool isTextureOp(operation op)
static inline bool isSurfaceOp(operation op)
{
- return (op >= OP_SULDB && op <= OP_SULEA);
+ return (op >= OP_SULDB && op <= OP_SULEA) || (op == OP_SUQ);
}
static inline unsigned int typeSizeof(DataType ty)
@@ -309,14 +309,14 @@ const FlowInstruction *Instruction::asFlow() const
TexInstruction *Instruction::asTex()
{
- if (op >= OP_TEX && op <= OP_SULEA)
+ if ((op >= OP_TEX && op <= OP_SULEA) || op == OP_SUQ)
return static_cast<TexInstruction *>(this);
return NULL;
}
const TexInstruction *Instruction::asTex() const
{
- if (op >= OP_TEX && op <= OP_SULEA)
+ if ((op >= OP_TEX && op <= OP_SULEA) || op == OP_SUQ)
return static_cast<const TexInstruction *>(this);
return NULL;
}
diff --git a/src/gallium/drivers/nouveau/codegen/nv50_ir_lowering_nvc0.cpp
b/src/gallium/drivers/nouveau/codegen/nv50_ir_lowering_nvc0.cpp
index 60a3b4c..5920da6 100644
--- a/src/gallium/drivers/nouveau/codegen/nv50_ir_lowering_nvc0.cpp
+++ b/src/gallium/drivers/nouveau/codegen/nv50_ir_lowering_nvc0.cpp
@@ -1509,9 +1509,36 @@ static inline uint16_t getSuClampSubOp(const
TexInstruction *su, int c)
}
bool
-NVC0LoweringPass::handleSUQ(Instruction *suq)
+NVC0LoweringPass::handleSUQ(TexInstruction *suq)
{
- /* TODO: will be updated in the next commit. */
+ int dim = suq->tex.target.getDim();
+ int arg = dim + (suq->tex.target.isArray() || suq->tex.target.isCube());
+ uint8_t s = prog->driver->io.auxCBSlot;
+ Value *ind = suq->getIndirectR();
+ uint32_t base;
+ int c;
+
+ base = prog->driver->io.suInfoBase + suq->tex.r * NVE4_SU_INFO__STRIDE;
+
+ if (ind)
+ ind = bld.mkOp2v(OP_SHL, TYPE_U32, bld.getScratch(),
+ ind, bld.mkImm(6));
+
+ for (c = 0; c < arg; ++c) {
+ if (suq->defExists(c)) {
+ int offset;
+
+ if (c == 1 && suq->tex.target == TEX_TARGET_1D_ARRAY) {
+ offset = base + NVE4_SU_INFO_SIZE(2);
+ } else {
+ offset = base + NVE4_SU_INFO_SIZE(c);
+ }
+ bld.mkLoad(TYPE_U32, suq->getDef(c),
+ bld.mkSymbol(FILE_MEMORY_CONST, s, TYPE_U32, offset), ind);
+ }
+ }
